Exam Questions & Answers (Grade
A+)
The part of an atom that carries a negative charge is a/an -
correct answer ✅Electron
The quantity of x-rays emitted is primarily dependent upon the -
correct answer ✅Milliamperage setting
An aluminum filter in a dental x-ray unit functions to -
correct answer ✅Absorb x-rays of long wavelength
Light radiographs can be caused by -
correct answer ✅Film packet reversal, low MA setting, and an
exhausted developer
What are the principles of ideal projection -
correct answer ✅The central ray should strike the tooth at a 90
degree angle, the source-object distance should be as long as
possible, the source size should be as small as possible, and the
tooth and the film should be parallel to each other
, Dental Radiology Certification Test
Exam Questions & Answers (Grade
A+)
What can cause a dark radiograph -
correct answer ✅Too much time in developer and too high MA or
KVP setting
If the directions on the film package call for an exposure time of 1/6
second, how many impulses should the operator select? -
correct answer ✅10
How frequently should a complete radiographic survey (CRS) be
exposes on a typical adult patient? -
correct answer ✅As frequently as indicated by the patient's clinical
needs a
Which Standard International Units is equivalent to the rem -
correct answer ✅Sievert
In "real time direct" digital radiography, what is used in place of an
x-ray film? -
correct answer ✅Sensor